On Thu, Sep 6, 2012 at 11:49 AM, Ian Lynagh <i...@well-typed.com> wrote:
> Someone pointed out that one disadvantage of traditional databases is
> that they discourage you from writing as if everything was Haskell
> datastructures in memory. For example, if you have things of type
> data Foo = Foo {
> str :: String,
> bool :: Bool,
> ints :: [Int]
> }
> stored in a database then you could write either:
> foo <- getFoo 23
> print $ bool foo
> or
> b <- getFooBool 23
> print b
Using Bryan's mysql-simple library makes mapping between Haskell data
types and SQL records quite straightforward (you write one type class
instance).
> Has anyone else got any thoughts?
I've argued in the past that we should use a SQL database, for mostly
the same reasons as you gave above, with the addition that I don't
anything but old and battle-tested technology with data as important
as the Hackage data.
-- Johan
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